$ git clone -n https://src.fedoraproject.org/rpms/fonttools.git /var/lib/mock/f39-build-2252440-54161/root/chroot_tmpdir/scmroot/fonttools
Cloning into '/var/lib/mock/f39-build-2252440-54161/root/chroot_tmpdir/scmroot/fonttools'...
$ git fetch origin 50322b5850bd789a98ee57ec8087cff6d0f8abb8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fonttools
 * [new ref]         50322b5850bd789a98ee57ec8087cff6d0f8abb8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 50322b5 Update to 4.43.1 version (#2241574)